added comment to recent changes

Author: jkleinj

ChangeLog

@@ -12,8 +12,12 @@ http://popscomp.org
 #_______________________________________________________________________________
 
 - 3.4
+Sun 24 May 15:59:50 BST 2026
+	The default download format is now 'mmcif',
+	but POPScomp converts to and works with 'pdb' format.
+
 Wed 20 May 18:33:11 BST 2026
-	Added mmcif capability using the 'gemmi' cif reader.
+	Added 'mmcif' capability using the 'gemmi' cif reader.
 
 - 3.3
 Thu 29 Feb 08:39:24 GMT 2024